1 /* $NetBSD: pdqvar.h,v 1.27 2000/05/03 19:17:54 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * Id: pdqvar.h,v 1.21 1997/03/21 21:16:04 thomas Exp 27 * $FreeBSD$ 28 * 29 */ 30 31 /* 32 * DEC PDQ FDDI Controller; PDQ O/S dependent definitions 33 * 34 * Written by Matt Thomas 35 * 36 */ 37 38 #ifndef _PDQ_OS_H 39 #define _PDQ_OS_H 40 41 #define PDQ_OS_TX_TIMEOUT 5 /* seconds */ 42 43 typedef struct _pdq_t pdq_t; 44 typedef struct _pdq_csrs_t pdq_csrs_t; 45 typedef struct _pdq_pci_csrs_t pdq_pci_csrs_t; 46 typedef struct _pdq_lanaddr_t pdq_lanaddr_t; 47 typedef unsigned int pdq_uint32_t; 48 typedef unsigned short pdq_uint16_t; 49 typedef unsigned char pdq_uint8_t; 50 typedef enum _pdq_boolean_t pdq_boolean_t; 51 typedef enum _pdq_type_t pdq_type_t; 52 typedef enum _pdq_state_t pdq_state_t; 53 54 enum _pdq_type_t { 55 PDQ_DEFPA, /* PCI-bus */ 56 PDQ_DEFEA, /* EISA-bus */ 57 PDQ_DEFTA, /* TurboChannel */ 58 PDQ_DEFAA, /* FutureBus+ */ 59 PDQ_DEFQA /* Q-bus */ 60 }; 61 62 #if defined(PDQTEST) 63 #include <pdq_os_test.h> 64 #else 65 66 #include <sys/param.h> 67 #include <sys/systm.h> 68 #ifndef M_MCAST 69 #include <sys/mbuf.h> 70 #endif /* M_CAST */ 71 #include <sys/malloc.h> 72 #include <vm/vm.h> 73 #include <vm/vm_kern.h> 74 75 #define PDQ_OS_PREFIX "%s: " 76 #define PDQ_OS_PREFIX_ARGS pdq->pdq_os_name 77 #define PDQ_OS_PAGESIZE PAGE_SIZE 78 #define PDQ_OS_USEC_DELAY(n) DELAY(n) 79 #define PDQ_OS_MEMZERO(p, n) bzero((caddr_t)(p), (n)) 80 #if !defined(PDQ_BUS_DMA) 81 #define PDQ_OS_VA_TO_BUSPA(pdq, p) vtophys(p) 82 #endif 83 #define PDQ_OS_MEMALLOC(n) malloc(n, M_DEVBUF, M_NOWAIT) 84 #define PDQ_OS_MEMFREE(p, n) free((void *) p, M_DEVBUF) 85 #define PDQ_OS_MEMALLOC_CONTIG(n) contigmalloc(n, M_DEVBUF, M_NOWAIT, 0, 0xffffffff, PAGE_SIZE, 0) 86 #define PDQ_OS_MEMFREE_CONTIG(p, n) contigfree((void *) p, n, M_DEVBUF) 87 88 #include <vm/pmap.h> 89 #include <vm/vm_extern.h> 90 #include <machine/cpufunc.h> 91 #define ifnet_ret_t void 92 typedef int ioctl_cmd_t; 93 typedef enum { PDQ_BUS_EISA, PDQ_BUS_PCI } pdq_bus_t; 94 typedef u_int16_t pdq_bus_ioport_t; 95 typedef volatile pdq_uint32_t *pdq_bus_memaddr_t; 96 typedef pdq_bus_memaddr_t pdq_bus_memoffset_t; 97 #define pdq_os_update_status(a, b) ((void) 0) 98 99 100 #if !defined(PDQ_OS_SPL_RAISE) 101 #define PDQ_OS_SPL_RAISE() splimp() 102 #endif 103 104 #if !defined(PDQ_OS_SPL_LOWER) 105 #define PDQ_OS_SPL_LOWER(s) splx(s) 106 #endif 107 108 #if !defined(PDQ_FDDICOM) 109 #define PDQ_FDDICOM(sc) (&(sc)->sc_ac) 110 #endif 111 112 #if !defined(PDQ_IFNET) 113 #define PDQ_IFNET(sc) (PDQ_FDDICOM((sc))->ac_ifp) 114 #endif 115 116 #define PDQ_BPF_MTAP(sc, m) bpf_mtap(PDQ_IFNET(sc), m) 117 #define PDQ_BPFATTACH(sc, t, s) bpfattach(PDQ_IFNET(sc), t, s) 118 119 #if !defined(PDQ_ARP_IFINIT) 120 #define PDQ_ARP_IFINIT(sc, ifa) arp_ifinit(&(sc)->sc_ac, (ifa)) 121 #endif 122 123 #if !defined(PDQ_OS_PTR_FMT) 124 #define PDQ_OS_PTR_FMT "0x%x" 125 #endif 126 127 #if !defined(PDQ_OS_CSR_FMT) 128 #define PDQ_OS_CSR_FMT "0x%x" 129 #endif 130 131 #if !defined(PDQ_LANADDR) 132 #define PDQ_LANADDR(sc) ((sc)->sc_ac.ac_enaddr) 133 #define PDQ_LANADDR_SIZE(sc) (sizeof((sc)->sc_ac.ac_enaddr)) 134 #endif 135 136 #if !defined(PDQ_OS_IOMEM) 137 #define PDQ_OS_IORD_32(t, base, offset) inl((base) + (offset)) 138 #define PDQ_OS_IOWR_32(t, base, offset, data) outl((base) + (offset), data) 139 #define PDQ_OS_IORD_8(t, base, offset) inb((base) + (offset)) 140 #define PDQ_OS_IOWR_8(t, base, offset, data) outb((base) + (offset), data) 141 #define PDQ_OS_MEMRD_32(t, base, offset) (0 + *((base) + (offset))) 142 #define PDQ_OS_MEMWR_32(t, base, offset, data) do *((base) + (offset)) = (data); while (0) 143 #endif 144 #ifndef PDQ_CSR_OFFSET 145 #define PDQ_CSR_OFFSET(base, offset) (0 + (base) + (offset)) 146 #endif 147 148 #ifndef PDQ_CSR_WRITE 149 #define PDQ_CSR_WRITE(csr, name, data) PDQ_OS_MEMWR_32((csr)->csr_bus, (csr)->name, 0, data) 150 #define PDQ_CSR_READ(csr, name) PDQ_OS_MEMRD_32((csr)->csr_bus, (csr)->name, 0) 151 #endif 152 153 #ifndef PDQ_OS_IFP_TO_SOFTC 154 #define PDQ_OS_IFP_TO_SOFTC(ifp) ((pdq_softc_t *) ((caddr_t) ifp - offsetof(pdq_softc_t, sc_ac.ac_if))) 155 #endif 156 157 158 #if !defined(PDQ_HWSUPPORT) 159 160 typedef struct _pdq_os_ctx_t { 161 struct kern_devconf *sc_kdc; /* freebsd cruft */ 162 struct arpcom sc_ac; 163 #if defined(IFM_FDDI) 164 struct ifmedia sc_ifmedia; 165 #endif 166 pdq_t *sc_pdq; 167 #if defined(__i386__) 168 pdq_bus_ioport_t sc_iobase; 169 #endif 170 #if defined(PDQ_IOMAPPED) 171 #define sc_membase sc_iobase 172 #else 173 pdq_bus_memaddr_t sc_membase; 174 #endif 175 pdq_bus_t sc_iotag; 176 pdq_bus_t sc_csrtag; 177 caddr_t sc_bpf; 178 #if defined(PDQ_BUS_DMA) 179 bus_dma_tag_t sc_dmatag; 180 bus_dmamap_t sc_dbmap; /* DMA map for descriptor block */ 181 bus_dmamap_t sc_uimap; /* DMA map for unsolicited events */ 182 bus_dmamap_t sc_cbmap; /* DMA map for consumer block */ 183 #endif 184 } pdq_softc_t; 185 186 187 extern void pdq_ifreset(pdq_softc_t *sc); 188 extern void pdq_ifinit(pdq_softc_t *sc); 189 extern void pdq_ifwatchdog(struct ifnet *ifp); 190 extern ifnet_ret_t pdq_ifstart(struct ifnet *ifp); 191 extern int pdq_ifioctl(struct ifnet *ifp, ioctl_cmd_t cmd, caddr_t data); 192 extern void pdq_ifattach(pdq_softc_t *sc, ifnet_ret_t (*ifwatchdog)(int unit)); 193 #endif /* !PDQ_HWSUPPORT */ 194 195 196 #endif 197 198 199 #define PDQ_OS_DATABUF_SIZE (MCLBYTES) 200 #ifndef PDQ_OS_DATABUF_FREE 201 #define PDQ_OS_DATABUF_FREE(pdq, b) (m_freem(b)) 202 #endif 203 #define PDQ_OS_DATABUF_NEXT(b) ((b)->m_next) 204 #define PDQ_OS_DATABUF_NEXT_SET(b, b1) ((b)->m_next = (b1)) 205 #define PDQ_OS_DATABUF_NEXTPKT(b) ((b)->m_nextpkt) 206 #define PDQ_OS_DATABUF_NEXTPKT_SET(b, b1) ((b)->m_nextpkt = (b1)) 207 #define PDQ_OS_DATABUF_LEN(b) ((b)->m_len) 208 #define PDQ_OS_DATABUF_LEN_SET(b, n) ((b)->m_len = (n)) 209 /* #define PDQ_OS_DATABUF_LEN_ADJ(b, n) ((b)->m_len += (n)) */ 210 #define PDQ_OS_DATABUF_PTR(b) (mtod((b), pdq_uint8_t *)) 211 #define PDQ_OS_DATABUF_ADJ(b, n) ((b)->m_data += (n), (b)->m_len -= (n)) 212 typedef struct mbuf PDQ_OS_DATABUF_T; 213 214 #ifndef PDQ_OS_DATABUF_ALLOC 215 #define PDQ_OS_DATABUF_ALLOC(pdq, b) do { \ 216 PDQ_OS_DATABUF_T *x_m0; \ 217 MGETHDR(x_m0, M_NOWAIT, MT_DATA); \ 218 if (x_m0 != NULL) { \ 219 if (!(MCLGET(x_m0, M_NOWAIT))) { \ 220 m_free(x_m0); \ 221 (b) = NULL; \ 222 } else { \ 223 (b) = x_m0; \ 224 x_m0->m_len = PDQ_OS_DATABUF_SIZE; \ 225 } \ 226 } else { \ 227 (b) = NULL; \ 228 } \ 229 } while (0) 230 #endif 231 #define PDQ_OS_DATABUF_RESET(b) ((b)->m_data = (b)->m_ext.ext_buf, (b)->m_len = MCLBYTES) 232 233 #define PDQ_OS_TX_TRANSMIT 5 234 235 #define PDQ_OS_DATABUF_ENQUEUE(q, b) do { \ 236 PDQ_OS_DATABUF_NEXTPKT_SET(b, NULL); \ 237 if ((q)->q_tail == NULL) \ 238 (q)->q_head = (b); \ 239 else \ 240 PDQ_OS_DATABUF_NEXTPKT_SET(((PDQ_OS_DATABUF_T *)(q)->q_tail), b); \ 241 (q)->q_tail = (b); \ 242 } while (0) 243 244 #define PDQ_OS_DATABUF_DEQUEUE(q, b) do { \ 245 if (((b) = (PDQ_OS_DATABUF_T *) (q)->q_head) != NULL) { \ 246 if (((q)->q_head = PDQ_OS_DATABUF_NEXTPKT(b)) == NULL) \ 247 (q)->q_tail = NULL; \ 248 PDQ_OS_DATABUF_NEXTPKT_SET(b, NULL); \ 249 } \ 250 } while (0) 251 252 #if !defined(PDQ_OS_CONSUMER_PRESYNC) 253 #define PDQ_OS_CONSUMER_PRESYNC(pdq) do { } while(0) 254 #define PDQ_OS_CONSUMER_POSTSYNC(pdq) do { } while(0) 255 #define PDQ_OS_DESC_PRESYNC(pdq, d, s) do { } while(0) 256 #define PDQ_OS_DESC_POSTSYNC(pdq, d, s) do { } while(0) 257 #define PDQ_OS_CMDRQST_PRESYNC(pdq, s) do { } while(0) 258 #define PDQ_OS_CMDRQST_POSTSYNC(pdq, s) do { } while(0) 259 #define PDQ_OS_CMDRSP_PRESYNC(pdq, s) do { } while(0) 260 #define PDQ_OS_CMDRSP_POSTSYNC(pdq, s) do { } while(0) 261 #define PDQ_OS_RXPDU_PRESYNC(pdq, b, o, l) do { } while(0) 262 #define PDQ_OS_RXPDU_POSTSYNC(pdq, b, o, l) do { } while(0) 263 #define PDQ_OS_UNSOL_EVENT_PRESYNC(pdq, e) do { } while(0) 264 #define PDQ_OS_UNSOL_EVENT_POSTSYNC(pdq, e) do { } while(0) 265 #endif 266 267 #ifndef PDQ_OS_DATABUF_BUSPA 268 #define PDQ_OS_DATABUF_BUSPA(pdq, b) PDQ_OS_VA_TO_BUSPA(pdq, PDQ_OS_DATABUF_PTR(b)) 269 #endif 270 271 #ifndef PDQ_OS_HDR_OFFSET 272 #define PDQ_OS_HDR_OFFSET PDQ_RX_FC_OFFSET 273 #endif 274 275 extern void pdq_os_addr_fill(pdq_t *pdq, pdq_lanaddr_t *addrs, size_t numaddrs); 276 extern void pdq_os_receive_pdu(pdq_t *, PDQ_OS_DATABUF_T *pdu, size_t pdulen, int drop); 277 extern void pdq_os_restart_transmitter(pdq_t *pdq); 278 extern void pdq_os_transmit_done(pdq_t *pdq, PDQ_OS_DATABUF_T *pdu); 279 #if !defined(pdq_os_update_status) 280 extern void pdq_os_update_status(pdq_t *pdq, const void *rsp); 281 #endif 282 #if !defined(PDQ_OS_MEMALLOC_CONTIG) 283 extern int pdq_os_memalloc_contig(pdq_t *pdq); 284 #endif 285 extern pdq_boolean_t pdq_queue_transmit_data(pdq_t *pdq, PDQ_OS_DATABUF_T *pdu); 286 extern void pdq_flush_transmitter(pdq_t *pdq); 287 288 extern void pdq_run(pdq_t *pdq); 289 extern pdq_state_t pdq_stop(pdq_t *pdq); 290 extern void pdq_hwreset(pdq_t *pdq); 291 292 extern int pdq_interrupt(pdq_t *pdq); 293 extern pdq_t *pdq_initialize(pdq_bus_t bus, pdq_bus_memaddr_t csr_va, 294 const char *name, int unit, 295 void *ctx, pdq_type_t type); 296 #endif /* _PDQ_OS_H */ 297